Finding the Fourth Proportional to 7,793,208.76, 10,754,643.70 and 4,355,449.70
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Solution
The fourth proportional to 7,793,208.76, 10,754,643.70 and 4,355,449.70 is: 6,010,529.31
Step by Step Solution
- Step 1: Write the proportion equation
7,793,208.76 : 10,754,643.70 = 4,355,449.70 : x - Step 2: Convert to fraction form
7,793,208.76/10,754,643.70 = 4,355,449.70/x - Step 3: Cross multiply
7,793,208.76x = 10,754,643.70 × 4,355,449.70 - Step 4: Simplify right side
7,793,208.76x = 46,841,309,676,771.89 - Step 5: Solve for x
x = 46,841,309,676,771.89/7,793,208.76 - Step 6: Final answer
x = 6,010,529.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.